Search a number
-
+
2310313012220 = 225331348989881
BaseRepresentation
bin100001100111101001011…
…000101110101111111100
322011212022200112011212202
4201213221120232233330
5300323010112342340
64525202041451032
7325625465405423
oct41475130565774
98155280464782
102310313012220
11810886513884
123139071a0a78
13139b27b85b75
147db695542ba
154016ac78c15
hex219e962ebfc

2310313012220 has 24 divisors (see below), whose sum is σ = 4866314914608. Its totient is φ = 921333283200.

The previous prime is 2310313012201. The next prime is 2310313012223. The reversal of 2310313012220 is 222103130132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2310313012192 and 2310313012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310313012223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174488321 + ... + 174501560.

It is an arithmetic number, because the mean of its divisors is an integer number (202763121442).

Almost surely, 22310313012220 is an apocalyptic number.

2310313012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2310313012220 is an abundant number, since it is smaller than the sum of its proper divisors (2556001902388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2310313012220 is a wasteful number, since it uses less digits than its factorization.

2310313012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348990221 (or 348990219 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2310313012220 its reverse (222103130132), we get a palindrome (2532416142352).

The spelling of 2310313012220 in words is "two trillion, three hundred ten billion, three hundred thirteen million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 331 662 1324 1655 3310 6620 348989881 697979762 1395959524 1744949405 3489898810 6979797620 115515650611 231031301222 462062602444 577578253055 1155156506110 2310313012220